package com.clover.templates.util;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;


/**
 * 获取Springboot运行环境
 * @author FoLafClover
 * @date 2018/5/6/006
 */
public class SpringUtil {

    private static ApplicationContext applicationContext = null;

    public static void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if(SpringUtil.applicationContext == null){
            SpringUtil.applicationContext  = applicationContext;
        }
    }

    //获取applicationContext
    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    //通过name获取 Bean.
    public static Object getBean(String name){
        return getApplicationContext().getBean(name);

    }

    //通过class获取Bean.
    public static <T> T getBean(Class<T> clazz){
        return getApplicationContext().getBean(clazz);
    }

    //通过name,以及Clazz返回指定的Bean
    public static <T> T getBean(String name,Class<T> clazz){
        return getApplicationContext().getBean(name, clazz);
    }

}
